var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

// var index = require('./routes/index');
// var users = require('./routes/users');
// var blank = require('./routes/blank');
var routes = require('./routes/config');//设一个总路由接口
var settings = require('./settings');
var flash = require('connect-flash');

//链接数据库（使用mongoose操作数据）
var mongoose=require('./config/mongoose');
var db=mongoose();


var app = express();

var session = require('express-session');
var MongoStore = require('connect-mongo')(session);

app.use(session({
	secret:settings.cookieSecret,
	key: settings.db,//cookie name
	cookie: {maxAge: 1000 * 60 * 60 * 24 * 30},//30 days
	resave: false,
	saveUninitialized: true,
	store: new MongoStore({
		// db: settings.db,
		// host: settings.host,
		// port: settings.port
		// url: 'mongodb://'+settings.host+'/'+settings.db
		url: settings.mongodb
	})
}));

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.use(flash());

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// app.use('/', index);
// app.use('/users', users);
// app.use('/blank', blank);
routes(app);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});


// // set flash
// app.use(function (req, res, next) {
// 	res.locals.errors = req.flash('error');
// 	res.locals.infos = req.flash('info');
// 	next();
// });

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});


module.exports = app;
